Sri Lankan cobalt spinel 0.281ct loose stone
Sale price¥55,800
Colombian mint color emerald 0.297ct loose stone
Sale price¥8,800
[Updated 12552163] Benitoite 0.099ct loose stone
Sale price¥29,800
[12550887] Paraiba Tourmaline from Mozambique 0.784ct loose stone
Sale price¥128,000
Pakistani Oil in Quartz 0.438ct Loose Stone
Sale price¥6,980
Madagascar sapphire 0.448ct loose stone
Sale price¥15,800
Zimbabwe Euclase 0.067ct Loose Gemological Report
Sale price¥15,800
American Ceylanite 2.666ct Loose Stone with Certification
Sale price¥15,800
Sri Lankan Silky Sapphire 5.1mm/0.488ct Rose Cut Loose Gemstone
Sale price¥7,980
Jeremejevite from Namibia 0.095ct Loose Stone with Certification
Sale price¥24,800
Jeremejevite from Namibia 0.089ct Loose Stone with Certificate
Sale price¥25,800
Euclase from Zimbabwe 0.183ct Loose Stone with Certificate
Sale price¥35,800
Zimbabwe Euclase 3.4mm/0.206ct Loose Stone with Certificate
Sale price¥29,800
Diamond (cabochon cut) 0.206ct loose
Sale price¥45,800
Australian Rainbow Lattice Sunstone 1.746ct Loose Stone
Sale price¥12,800
Brazilian Paraiba Tourmaline 0.052ct Loose Stone (CuO:2.0%, MnO:2.2%)
Sale price¥35,800
Namibian Jeremejevite 0.501ct loose stone (bicolor)
Sale price¥89,800
Sky blue topaz 1.719ct loose stone
Sale price¥8,800
Brazilian Pink Tourmaline 0.862ct Loose Stone
Sale price¥12,800
Vietnam Aquamarine 0.398ct Loose
Sale price¥5,980
Vietnam Aquamarine 0.494ct Loose Stone
Sale price¥8,800
Brazilian Blue Tourmaline 0.196ct Loose
Sale price¥6,980
Brazilian Green Tourmaline 2.218ct Loose
Sale price¥25,800
Brazilian Bicolor Tourmaline 7.2mm/1.326ct Loose Stone
Sale price¥18,800
Namibian Green Tourmaline 7.0mm/1.206ct Loose Stone (Lagoon Tourmaline)
Sale price¥59,800
Morganite 0.379ct loose stone
Sale price¥7,980
2.055ct Bicolor Sphalerite from Spain
Sale price¥39,800
Chameleon Diamond Green Diamond 0.122ct Loose (FANCY GRAY GREEN, SI2)
Sale price¥69,800
Royal Blue Sapphire 0.730ct Loose AIGS
Sale price¥158,000
Brazilian Imperial Topaz 0.746ct Loose
Sale price¥18,800
0.183ct Trapiche Emerald Loose Stone from Colombia
Sale price¥39,800
0.938 ct Tanzanian Almandine Garnet Loose Stone
Sale price¥12,800
Myanmar red spinel 3.3mm/0.172ct loose
Sale price¥8,800
Burmese Red Spinel 3.5mm/0.214ct Loose Stone
Sale price¥9,800
Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.
So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.
KARATZ's Initiatives and Social Contributions
We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.
KARATZ Books
These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.
jeweler's tools
For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.